<section class="product m-5">
    <style>
        .box>div {
            height: 518px;
            background-image: linear-gradient(-17deg, #999999 0%, #f4f4f4 100%);
            transition: all 0.5s;
            background-origin: content-box;
            background-repeat: no-repeat;
            border-top-left-radius: 138px;
            border-top-right-radius: 138px;
        }

        .box>div:hover {
            padding-top: 300px;
        }

        .box>div .hover {
            display: none;
        }

        .box>div:hover .hover {
            display: initial;
        }

        .box>div:hover .normal {
            display: none;
        }

        .box>div img {
            width: 50px;
        }

        .box .name {
            padding: 1em 0.5em;
        }
    </style>
    <div class="title mb-5">
        <div class="text">PRODUCT</div>
        <div class="descript">热卖产品</div>
        <div class="title_line"></div>
    </div>
    <div class="row box align-items-end">
        <div class="col-sm-6 col-lg-3 my-3 d-flex flex-column justify-content-end">
            <div class="img d-flex justify-content-center align-items-end">
                <img src="./images/维刻V1/normal.jpg" class="normal">
                <img src="./images/维刻V1/hover.jpg" class="hover">
            </div>
            <h4 class="name">维刻V1</h4>
            <!---->
        </div>
        <div class="col-sm-6 col-lg-3 my-3 d-flex flex-column justify-content-end">
            <div class="img d-flex justify-content-center">
                <img src="./images/维刻V2/normal.jpg" class="normal">
                <img src="./images/维刻V2/hover.jpg" class="hover">
            </div>
            <h4 class="name">维刻V2</h4>
            <!---->
        </div>
        <div class="col-sm-6 col-lg-3 my-3 d-flex flex-column justify-content-end">
            <div class="img d-flex justify-content-center">
                <img src="./images/维刻V3/normal.jpg" class="normal">
                <img src="./images/维刻V3/hover.jpg" class="hover">
            </div>
            <h4 class="name">维刻V4</h4>
            <!---->
        </div>
        <div class="col-sm-6 col-lg-3 my-3 d-flex flex-column justify-content-end">
            <div class="img d-flex justify-content-center">
                <img src="./images/维刻V4/normal.jpg" class="normal">
                <img src="./images/维刻V4/hover.jpg" class="hover">
            </div>
            <h4 class="name">维刻V1 LITE</h4>
            <!---->
        </div>
    </div>
</section>